Audi B9 S4 Quattro 3.0T Performance Exhaust Parts

Sport Cat-Pipe with 200 CPSI Catalytic Converter - Increase power, reduce weight, and improve sound!

Brand:

ES#:

4164584

Mfg#:

AU94S-CD

Stainless steel non-resonated cat-back exhaust system with quad round, polished tips - Includes downpipes with high flow secondary cats

Brand:

ES#:

4017779

Mfg#:

777532KT

3.0" Inlet - 3.5" Outlet - Forged Carbon Sleeve

Brand:

ES#:

4708458

Mfg#:

VTTPSLVE3035FC

Mufflered midpipe that connects the downpipe to the rear mufflers

Brand:

ES#:

3250337

Mfg#:

8W0253409G

9% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1172.99

This product was last offered at the strikethrough price on
08-31-2026

$1071.99 USD

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Lifetime Replacement

Stainless steel non-resonated cat-back exhaust system with quad round, polished tips - Includes secondary cat delete downpipes

Brand:

ES#:

4017775

Mfg#:

777512KT

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button

Brand:

ES#:

5457434

Mfg#:

UVM76MMTSTYLEX1

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button

Brand:

ES#:

5457432

Mfg#:

UVM76MMDUALOUTX1

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button

Brand:

ES#:

5457437

Mfg#:

UVM.89MM.X1

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button

Brand:

ES#:

4686062

Mfg#:

UVM.63MM.X1

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button

Brand:

ES#:

5457424

Mfg#:

UVM63MMDUALOUTX2